Category: Guide


10 Useful tar Commands in Linux With Examples

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useful tar commands in linux

This blog post will show you the ten most used tar commands in Linux with examples.

The tar command in Linux provides archiving functionality for compressing or decompressing archive files and modifying and maintaining them. With the tar command, we can create tar, gz, bz2 and gzip archives. Administrators use these commands when they want to save some disk space on the servers or when they are migrating files over two host machines.

In this tutorial, we are going to execute the tar commands on Ubuntu 22.04 OS, but you can choose any Linux distro. Let’s get started!

5 Most Used alias Commands in Linux With Examples

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most used alias commands in linux

This tutorial will show you the five most used alias commands in Linux with examples.

Sometimes we need to reference some command using it with a shortcut. These commands with shortcuts defined in Linux are called <b<aliases. Aliases are used to replace long commands in order for the user to avoid spelling errors. Some administrators or regular users are using aliases because they are used to executing some commands with their own Linux language words that have been used over the years.

In this tutorial, we are going to use the latest Ubuntu 22.04 distribution. You can choose any Linux distro you want. Let’s get started!

Difference Between Curl and wget Commands

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difference between curl and wget commands

In this tutorial, we are going to explain the main difference between the curl and wget commands in Linux with examples.

These two commands are very often used by system administrators and other Linux users on daily basis. Curl is a free and open-source utility that offers to transfer data between remote machines. Wget is also a free command line utility that offers transferring files using HTTP, HTTPS, FTP, and FTPS. Wget is a simple transfer utility, while curl offers so much more.

In this tutorial we are going to execute the commands on Ubuntu 22.04 but you can choose any Linux distro. Let’s get started!

10 Useful lsof Commands in Linux With Examples

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10 useful lsof commands in linux with examples

In this blog post, we are going to show you ten useful lsof commands in Linux with examples.

The lsof command is a shortcut to List open files and shows the open files and which processes are using them. The lsof output describes several things, such as the identification number of the process that has opened the file, the process group identification number, the command the process is executing, the owner of the process, and many more.

In this tutorial, we will use the latest Ubuntu 22.04 OS, but you can choose any Linux distro you want. Let’s get started!

10 Basic Find Commands in Linux With Examples

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basic find commands in linux

In this tutorial, we are going to explain the most used 10 find Commands in Linux with real examples.

Find command is one of the most used commands in Linux since with the find command we can easily locate files and folders on our server. The find command is executed with a couple of arguments and conditions that can easily locate files by users, groups, size, date and etc.

In this tutorial, we are going to use the latest Ubuntu 22.04 as OS, but you can choose any Linux distro to practice these examples by the “find” command. Let’s get started!

Troubleshooting Common Website Issues on Linux Server

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troubleshooting common website issues on linux server

In this tutorial, we are going to explain to you some steps on how to troubleshoot some common website issues on any Linux distribution.

On a Linux server with Ubuntu, Debian, CentOS, or AlmaLinux OS can be hosted a variety of websites written in different languages such as PHP, Java, Python, etc. The main purpose of this tutorial is to be explained the common website issues that are related to the server and not to the language in which the website is written. That is why we are going to focus, on the issues related to the RAM of the server, Disk Usage, permission issues, DDoS attacks, database issues, DNS issues and etc.

The issues will be explained in different paragraphs and the possible solutions will be proposed as well. Let’s get started!

How To Harden OpenSSH on Ubuntu 20.04

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how to harden openssh on ubuntu 20.04

OpenSSH is one of the most popular tools that uses SSH protocol for secure system administration, file transfers, and other communication across the Internet. It is free and used by system administrators to manage remote systems. OpenSSH runs on port 22 and it is the first target of a hacker. So you may need to harden your OpenSSH server to protect it from hackers.